| article html file updated | 1 September 2025 22:26 CEST | Update | https://www.mdpi.com/1999-4907/12/2/251 |
| article html file updated | 25 July 2022 04:32 CEST | Update | - |
| article html file updated | 25 February 2021 10:21 CET | Update | - |
| article html file updated | 25 February 2021 09:54 CET | Update | - |
| article pdf uploaded. | 25 February 2021 09:52 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/2/251/pdf |
| article xml uploaded. | 25 February 2021 09:52 CET | Update | https://www.mdpi.com/1999-4907/12/2/251/xml |
| article xml file uploaded | 25 February 2021 09:52 CET | Update | - |
| article html file updated | 25 February 2021 07:35 CET | Original file | - |
| article pdf uploaded. | 25 February 2021 07:33 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/2/251/pdf-vor |
| article xml uploaded. | 25 February 2021 07:33 CET | Update | - |
| article xml file uploaded | 25 February 2021 07:33 CET | Original file | - |
| article pdf uploaded. | 22 February 2021 14:21 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/2/251/pdf-vor |
| article pdf uploaded. | 22 February 2021 14:04 CET | Version of Record | https://www.mdpi.com/1999-4907/12/2/251/pdf-vor |